Antenna unit

Details Antenna unit Antenna unit

2007-08-28

2007-08-28

Chen, Shih-Chao (Department: 2821)

Communications: radio wave antennas

Antennas

Spiral or helical type

C343S872000

Reexamination Certificate

active

11318407

ABSTRACT:
An antenna unit comprises a hollow cylindrical member obtained by forming a flexible insulating film member into a hollow cylinder, an antenna pattern composed of at least one conductor formed at the hollow cylindrical member, and a board mounted with a low-noise amplifier. A hollow cylindrical cover case covers the hollow cylindrical member and the board. A cable having one end is connected to the low-noise amplifier and extends downward from a lower end of the cover case. The antenna unit further comprises an undercap attached to the lower end of the cover case and a packing press-fitted into the undercap. The board is inserted in the packing.

REFERENCES:
patent: 6339408 (2002-01-01), Edvardsson et al.
patent: 6429830 (2002-08-01), Noro et al.
patent: 6433755 (2002-08-01), Kuramoto
patent: 6784850 (2004-08-01), Morooka et al.
patent: 2001-339227 (2001-12-01), None
patent: 2001-339228 (2001-12-01), None
patent: 2003-037430 (2003-02-01), None
Related U.S. Appl. No. 11/318,409, filed Dec. 22, 2005; Inventor: J. Noro et al.
Related U.S. Appl. No. 11/318,408, filed Dec. 22 2005; Inventor: J. Noro et al.
Related U.S. Appl. No. 11/318,411, filed Dec. 22, 2005; Inventor: J. Noro et al.

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